3321221131 has 2 divisors, whose sum is σ = 3321221132. Its totient is φ = 3321221130.

The previous prime is 3321221119. The next prime is 3321221153. The reversal of 3321221131 is 1311221233.

3321221131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3321221131 is a prime.

It is a super-2 number, since 2×3321221131² = 22061019602001838322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3321221099 and 3321221108.

It is not a weakly prime, because it can be changed into another prime (3321221731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660610565 + 1660610566.

It is an arithmetic number, because the mean of its divisors is an integer number (1660610566).

Almost surely, 2^3321221131 is an apocalyptic number.

3321221131 is a deficient number, since it is larger than the sum of its proper divisors (1).

3321221131 is an equidigital number, since it uses as much as digits as its factorization.

3321221131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 19.

The square root of 3321221131 is about 57630.0367083000. The cubic root of 3321221131 is about 1491.9900635618.

Adding to 3321221131 its reverse (1311221233), we get a palindrome (4632442364).

The spelling of 3321221131 in words is "three billion, three hundred twenty-one million, two hundred twenty-one thousand, one hundred thirty-one".